Answer:
D) assistive technology
Step-by-step explanation:
Based on the scenario being described within the question it can be said that these lens are an example of assistive technology. This term refers to any device, software, or equipment that provide some sort of help to the individual user towards solving or working around a specific problem or challenge, in order to accomplish their goals/tasks. Such as the magnifying glass allows the individual's to better see the small parts that they are working with.